#include<fstream>
#include<vector>

using namespace std;
class nod
{
public:
    int nr=0;
    int ord=0;
    vector <int> v;

} a[100002];
int coada[100002], b=0, e=1;
void bf(int s)
{
    int i, j=1;
    coada[0]=s;
    while(b<=e)
    {

        for(i=0;i<a[coada[b]].nr;i++)
        {
            if((!a[a[coada[b]].v[i]].ord) && (a[coada[b]].v[i]!=coada[b]))
            {
                j++;
                coada[j]=a[coada[b]].v[i];
                a[coada[j]].ord=a[coada[b]].ord+1;
                e++;
            }
        }
        b++;
    }
}
int main ()
{
    int n, m, s, i, x, y;
    ifstream g ("bfs.in");
    ofstream h ("bfs.out");
    g>>n>>m>>s;
    for(i=0;i<m;i++)
    {
        //cout<<"Citire OK!\n";
        g>>x>>y;
        a[x].v.push_back(y);
            a[x].nr++;
    }
    bf(s);
    for(i=1;i<=n;i++)
    {
        if (i==s)
            {
                h<<0<<" ";
            }
        else
            if(a[i].ord)
                h<<a[i].ord<<" ";
        else
            h<<"-1 ";
    }
    g.close();
    h.close();
    return 0;
}